CN112903660A - Method for judging current situation and source of pollution of watershed water body - Google Patents

Method for judging current situation and source of pollution of watershed water body Download PDF

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Publication number
CN112903660A
CN112903660A CN202110267261.XA CN202110267261A CN112903660A CN 112903660 A CN112903660 A CN 112903660A CN 202110267261 A CN202110267261 A CN 202110267261A CN 112903660 A CN112903660 A CN 112903660A
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pollution
water body
target pollutant
hole hollow
target
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李勇
黄智刚
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Guangxi University
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Guangxi University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering

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  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

The invention discloses a method for judging the current situation and the source of pollution of a watershed water body, which comprises the following steps: preparing a single-hole hollow imprinted microsphere taking a target pollutant as a template molecule; removing target pollutants in the single-hole hollow imprinted microspheres, connecting the single-hole hollow imprinted microspheres in series through carbon fibers to form a bead string, soaking the bead string in a to-be-monitored flow field, and fishing out after 1 h; detecting by using a portable Raman spectrometer, and comparing the obtained spectrum with a standard Raman spectrum of the target pollutant, thereby obtaining the detection of the target pollutant carried in the watershed water body; and based on the comparison between the pollution source information related to the target pollutant and the distribution condition of the pollution sources around the drainage basin, the drainage basin pollution source is judged. The method can quickly and low-cost realize the identification of the target pollutant in the water body, has the advantage of environmental friendliness while reducing the detection cost, can meet the requirements of on-site and high-flux detection, and simultaneously realizes the judgment of the source of the target pollutant.

Description

Method for judging current situation and source of pollution of watershed water body
Technical Field
The invention relates to a detection method, in particular to a method for judging the current situation and the source of pollution of a watershed water body.
Background
At present, the method for analyzing the water environment pollution source mainly comprises qualitative analysis and quantitative analysis. The qualitative method directly utilizes the chemical properties or some chemical parameters of the pollutants to distinguish the pollution sources, such as a ratio method and the like; the quantitative method utilizes mathematical analysis means to perform source analysis, such as chemical mass balance method, isotope tracer method, multivariate statistical method, mixing method, etc. Due to the influence of the self-properties of pollutants and the difference of environmental conditions of various regions, the quantitative method has limitations of different degrees in practical application, and has large workload and long investigation period. In order to better treat and treat the black and odorous water body in concert with the special action for treating and protecting the environment of the black and odorous water body in the city, it is important to develop a method for judging the current situation and the source of the pollution of the drainage basin water body.
Disclosure of Invention
In order to solve the problems, the invention provides a method for judging the current situation and the source of the water body pollution in a drainage basin, which is characterized in that a single-hole hollow imprinted microsphere with a specific recognition function on a target pollutant is prepared by a molecular imprinting technology, after the adsorption and enrichment of the target pollutant in the water body are realized, a portable Raman spectrometer is used for spectrum acquisition, the detection of the situation of the target pollutant carried in the water body is realized by comparing with a standard Raman spectrum of the target pollutant, and the judgment of the source of the target pollutant is realized at the same time.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for judging the current situation and the source of pollution of a watershed water body comprises the following steps:
s1, preparing single-hole hollow imprinted microspheres with target pollutants as template molecules;
s2, removing target pollutants in the single-hole hollow imprinted microspheres to obtain the single-hole hollow imprinted microspheres;
s3, connecting the single-hole hollow imprinted microspheres in series through carbon fibers to form a bead string, soaking the bead string in a fluid area to be monitored, and fishing out after 1 h;
s4, detecting the single-hole hollow imprinted microspheres obtained in the step S3 by using a portable Raman spectrometer, and comparing the obtained spectrum with a standard Raman spectrum of a target pollutant to obtain the detection of the target pollutant carried in the watershed water body;
s5, digging pollution source information related to the target pollutant on a preset network base station based on the web crawler module;
s6, acquiring the distribution situation of pollution sources around the drainage basin based on the unmanned aerial vehicle;
and S7, based on the comparison between the pollution source information related to the target pollutant and the distribution situation of the pollution sources around the drainage basin, judging the drainage basin pollution sources.
Furthermore, the single-hole hollow imprinted microspheres are polystyrene microspheres.
Further, in the step S3, the arrangement of the bead strings is realized based on the floating balls.
Further, in the step S4, the average value is used as the detection result of the target pollutant in the watershed.
Further, in step S5, the acquisition of images around the drainage basin is realized based on the unmanned aerial vehicle, the identification of pollution sources carried in the surrounding images is realized based on the DSSD _ inclusion _ V3_ coco model, and the acquisition of the distribution of pollution sources around the drainage basin is realized by reading POS data carried in the surrounding images.
Further, the method also comprises a step of realizing the current state evaluation of the water body pollution of the current drainage basin according to the detection results of various target pollutants based on a Bi-LSTM + Attention model.
The invention has the following beneficial effects:
the single-hole hollow imprinted microsphere with the specific recognition function on the target pollutant is prepared by the molecular imprinting technology, the adsorption and enrichment of the target pollutant in the water body are realized, the spectrum acquisition is carried out by using the portable Raman spectrometer, and the identification of the target pollutant in the water body can be realized quickly and at low cost by comparing the spectrum with the standard Raman spectrum of the target pollutant.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A method for judging the current situation and the source of pollution of a watershed water body is characterized by comprising the following steps:
s1, preparing single-hole hollow imprinted microspheres with target pollutants as template molecules;
s2, removing target pollutants in the single-hole hollow imprinted microspheres to obtain the single-hole hollow imprinted microspheres;
s3, connecting the single-hole hollow imprinted microspheres in series through carbon fibers to form a bead string, soaking the bead string in a fluid area to be monitored, and fishing out after 1 h;
s4, detecting the single-hole hollow imprinted microspheres obtained in the step S3 by using a portable Raman spectrometer, and comparing the obtained spectrum with a standard Raman spectrum of a target pollutant to obtain the detection of the target pollutant carried in the watershed water body;
s5, digging pollution source information related to the target pollutant on a preset network base station based on the web crawler module;
s6, acquiring the distribution situation of pollution sources around the drainage basin based on the unmanned aerial vehicle;
and S7, based on the comparison between the pollution source information related to the target pollutant and the distribution situation of the pollution sources around the drainage basin, judging the drainage basin pollution sources.
In this embodiment, the single-hole hollow imprinted microsphere is a polystyrene microsphere.
In this embodiment, in the step S3, the arrangement of the bead strings is realized based on the floating balls.
In this embodiment, in the step S4, the average value is used as the detection result of the target pollutant in the watershed.
In this embodiment, in step S5, the acquisition of images around the drainage basin is realized based on the unmanned aerial vehicle, the identification of pollution sources carried in the surrounding images is realized based on the DSSD _ inclusion _ V3_ coco model, and the acquisition of the distribution of pollution sources around the drainage basin is realized by reading POS data carried in the surrounding images.
Example 2
A method for judging the current situation and the source of pollution of a watershed water body is characterized by comprising the following steps:
s1, preparing single-hole hollow imprinted microspheres with target pollutants as template molecules;
s2, removing target pollutants in the single-hole hollow imprinted microspheres to obtain the single-hole hollow imprinted microspheres;
s3, connecting the single-hole hollow imprinted microspheres in series through carbon fibers to form a bead string, soaking the bead string in a fluid area to be monitored, and fishing out after 1 h;
s4, detecting the single-hole hollow imprinted microspheres obtained in the step S3 by using a portable Raman spectrometer, and comparing the obtained spectrum with a standard Raman spectrum of a target pollutant to obtain the detection of the target pollutant carried in the watershed water body;
s5, digging pollution source information related to the target pollutant on a preset network base station based on the web crawler module;
s6, acquiring the distribution situation of pollution sources around the drainage basin based on the unmanned aerial vehicle;
s7, based on the comparison between the pollution source information related to the target pollutant and the distribution situation of the pollution sources around the drainage basin, the judgment of the drainage basin pollution source is realized;
s8, based on the Bi-LSTM + Attention model, the current state of water pollution of the current watershed is evaluated according to the detection results of various target pollutants.
In this embodiment, the single-hole hollow imprinted microsphere is a polystyrene microsphere.
In this embodiment, in the step S3, the arrangement of the bead strings is realized based on the floating balls.
In this embodiment, in the step S4, the average value is used as the detection result of the target pollutant in the watershed.
In this embodiment, in step S5, the acquisition of images around the drainage basin is realized based on the unmanned aerial vehicle, the identification of pollution sources carried in the surrounding images is realized based on the DSSD _ inclusion _ V3_ coco model, and the acquisition of the distribution of pollution sources around the drainage basin is realized by reading POS data carried in the surrounding images.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (6)

1. A method for judging the current situation and the source of pollution of a watershed water body is characterized by comprising the following steps:
s1, preparing single-hole hollow imprinted microspheres with target pollutants as template molecules;
s2, removing target pollutants in the single-hole hollow imprinted microspheres to obtain the single-hole hollow imprinted microspheres;
s3, connecting the single-hole hollow imprinted microspheres in series through carbon fibers to form a bead string, soaking the bead string in a fluid area to be monitored, and fishing out after 1 h;
s4, detecting the single-hole hollow imprinted microspheres obtained in the step S3 by using a portable Raman spectrometer, and comparing the obtained spectrum with a standard Raman spectrum of a target pollutant to obtain the detection of the target pollutant carried in the watershed water body;
s5, digging pollution source information related to the target pollutant on a preset network base station based on the web crawler module;
s6, acquiring the distribution situation of pollution sources around the drainage basin based on the unmanned aerial vehicle;
and S7, based on the comparison between the pollution source information related to the target pollutant and the distribution situation of the pollution sources around the drainage basin, judging the drainage basin pollution sources.
2. The method for distinguishing the current state of pollution and the source of pollution of a watershed water body according to claim 1, wherein the single-hole hollow imprinted microspheres are polystyrene microspheres.
3. The method according to claim 1, wherein in step S3, the bead strings are arranged based on floating balls.
4. The method according to claim 1, wherein in step S4, the average value is used as the detection result of the target pollutant in the watershed.
5. The method for distinguishing the current state of pollution and the source of pollution of a watershed water body according to claim 1, wherein in step S5, the acquisition of images around the watershed is realized based on an unmanned aerial vehicle, the identification of pollution sources carried in the surrounding images is realized based on a DSSD _ inclusion _ V3_ coco model, and the acquisition of the distribution of the pollution sources around the watershed is realized by reading POS data carried in the surrounding images.
6. The method of claim 1, further comprising a step of evaluating the current drainage basin water pollution status according to the detection results of a plurality of target pollutants based on a Bi-LSTM + Attention model.
CN202110267261.XA 2021-03-11 2021-03-11 Method for judging current situation and source of pollution of watershed water body Pending CN112903660A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115494047A (en) * 2022-11-17 2022-12-20 广东博创佳禾科技有限公司 Detection method and system for water environment agricultural pollutants

Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393448A (en) * 2011-10-20 2012-03-28 东北大学 Method for selectively and quantitatively collecting Cd in water environment
CN103570879A (en) * 2012-07-26 2014-02-12 中国科学院沈阳应用生态研究所 Molecularly-imprinted bonded dyed polystyrene microsphere and preparation method thereof
CN204265528U (en) * 2014-10-08 2015-04-15 浩蓝环保股份有限公司 A kind of ecological floating island of pollution administration water body
CN104615906A (en) * 2015-03-03 2015-05-13 中科宇图天下科技有限公司 Method for quickly tracing to source by means of back flow based on one-way river
CN105976690A (en) * 2016-06-29 2016-09-28 广西大学 Draining and pressure reducing model testing apparatus
CN106203756A (en) * 2015-05-05 2016-12-07 中国船舶重工集团公司第七六○研究所 A kind of trade effluent pollutant Source Tracing method of feature based data base
CN106932321A (en) * 2017-04-01 2017-07-07 上海雷尼威尔物联网有限公司 Portable air Quality Monitoring Control System and method
CN206638664U (en) * 2017-03-15 2017-11-14 伊犁师范学院 A kind of water pollution detection means
CN107446087A (en) * 2017-08-22 2017-12-08 合肥学院 A kind of preparation method of core-shell-type molecularly imprinted microspheres on surface for melamine detection
CN206843189U (en) * 2017-04-28 2018-01-05 兰迪(广州)环保新能源科技有限公司 Polluted river home position strengthening denitrification organisms floating bed purifier
CN108595414A (en) * 2018-03-22 2018-09-28 浙江大学 Heavy metal-polluted soil enterprise pollution source discrimination based on source remittance space variable reasoning
CN108596473A (en) * 2018-04-20 2018-09-28 上海海洋大学 A kind of basin pollution management system and new accounting method
CN108734401A (en) * 2018-05-22 2018-11-02 新疆大学 River pollution appraisal procedure based on SPARROW models
CN109061087A (en) * 2018-08-16 2018-12-21 天狼联盟材料科技研究(广东)有限公司 It is a kind of can distributed Internet of Things creek water pollution status real time monitor instrument
CN109084840A (en) * 2018-08-16 2018-12-25 天狼联盟材料科技研究(广东)有限公司 A kind of creek water pollution monitoring and sectional management method based on Internet of Things
CN109470667A (en) * 2018-11-14 2019-03-15 华东理工大学 A kind of combination water quality parameter and three-dimensional fluorescence spectrum carry out the method that pollutant is traced to the source
CN109711674A (en) * 2018-12-03 2019-05-03 北京师范大学 A kind of finger-print base construction method and device traced to the source for lake and reservoir water pollution
CN209522660U (en) * 2018-12-03 2019-10-22 湖南创清环境技术有限公司 A kind of antimicrobial plant composite ecological floating island
CN110376343A (en) * 2019-06-04 2019-10-25 中国环境科学研究院 The accurate diagnostic method of pollution sources, device and electronic device
CN110428921A (en) * 2019-07-02 2019-11-08 南华大学上虞高等研究院有限公司 One kind being based on the multidirectional repair process method of uranium polluted-water
CN110426383A (en) * 2019-08-09 2019-11-08 国家城市供水水质监测网太原监测站 The detection method of antibiotic in a kind of water body
CN110738589A (en) * 2019-10-25 2020-01-31 济南大学 method for analyzing underground water chlorinated hydrocarbon pollution source
CN110765228A (en) * 2019-11-18 2020-02-07 镇江颀珑工程技术服务有限公司 Pollution source tracking method based on river network online monitoring
CN111474307A (en) * 2020-03-26 2020-07-31 南方科技大学 Pollutant tracing method and device, computer equipment and storage medium
CN111506574A (en) * 2020-03-19 2020-08-07 平安国际智慧城市科技股份有限公司 R tree-based pollutant tracing method and device and related equipment thereof

Patent Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393448A (en) * 2011-10-20 2012-03-28 东北大学 Method for selectively and quantitatively collecting Cd in water environment
CN103570879A (en) * 2012-07-26 2014-02-12 中国科学院沈阳应用生态研究所 Molecularly-imprinted bonded dyed polystyrene microsphere and preparation method thereof
CN204265528U (en) * 2014-10-08 2015-04-15 浩蓝环保股份有限公司 A kind of ecological floating island of pollution administration water body
CN104615906A (en) * 2015-03-03 2015-05-13 中科宇图天下科技有限公司 Method for quickly tracing to source by means of back flow based on one-way river
CN106203756A (en) * 2015-05-05 2016-12-07 中国船舶重工集团公司第七六○研究所 A kind of trade effluent pollutant Source Tracing method of feature based data base
CN105976690A (en) * 2016-06-29 2016-09-28 广西大学 Draining and pressure reducing model testing apparatus
CN206638664U (en) * 2017-03-15 2017-11-14 伊犁师范学院 A kind of water pollution detection means
CN106932321A (en) * 2017-04-01 2017-07-07 上海雷尼威尔物联网有限公司 Portable air Quality Monitoring Control System and method
CN206843189U (en) * 2017-04-28 2018-01-05 兰迪(广州)环保新能源科技有限公司 Polluted river home position strengthening denitrification organisms floating bed purifier
CN107446087A (en) * 2017-08-22 2017-12-08 合肥学院 A kind of preparation method of core-shell-type molecularly imprinted microspheres on surface for melamine detection
CN108595414A (en) * 2018-03-22 2018-09-28 浙江大学 Heavy metal-polluted soil enterprise pollution source discrimination based on source remittance space variable reasoning
CN108596473A (en) * 2018-04-20 2018-09-28 上海海洋大学 A kind of basin pollution management system and new accounting method
CN108734401A (en) * 2018-05-22 2018-11-02 新疆大学 River pollution appraisal procedure based on SPARROW models
CN109061087A (en) * 2018-08-16 2018-12-21 天狼联盟材料科技研究(广东)有限公司 It is a kind of can distributed Internet of Things creek water pollution status real time monitor instrument
CN109084840A (en) * 2018-08-16 2018-12-25 天狼联盟材料科技研究(广东)有限公司 A kind of creek water pollution monitoring and sectional management method based on Internet of Things
CN109470667A (en) * 2018-11-14 2019-03-15 华东理工大学 A kind of combination water quality parameter and three-dimensional fluorescence spectrum carry out the method that pollutant is traced to the source
CN109711674A (en) * 2018-12-03 2019-05-03 北京师范大学 A kind of finger-print base construction method and device traced to the source for lake and reservoir water pollution
CN209522660U (en) * 2018-12-03 2019-10-22 湖南创清环境技术有限公司 A kind of antimicrobial plant composite ecological floating island
CN110376343A (en) * 2019-06-04 2019-10-25 中国环境科学研究院 The accurate diagnostic method of pollution sources, device and electronic device
CN110428921A (en) * 2019-07-02 2019-11-08 南华大学上虞高等研究院有限公司 One kind being based on the multidirectional repair process method of uranium polluted-water
CN110426383A (en) * 2019-08-09 2019-11-08 国家城市供水水质监测网太原监测站 The detection method of antibiotic in a kind of water body
CN110738589A (en) * 2019-10-25 2020-01-31 济南大学 method for analyzing underground water chlorinated hydrocarbon pollution source
CN110765228A (en) * 2019-11-18 2020-02-07 镇江颀珑工程技术服务有限公司 Pollution source tracking method based on river network online monitoring
CN111506574A (en) * 2020-03-19 2020-08-07 平安国际智慧城市科技股份有限公司 R tree-based pollutant tracing method and device and related equipment thereof
CN111474307A (en) * 2020-03-26 2020-07-31 南方科技大学 Pollutant tracing method and device, computer equipment and storage medium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HONGBIN HOU等: "Preparation and Properties of Ion-Imprinted Hollow Particles for the Selective Adsorption of Silver Ions", 《LANGMUIR》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115494047A (en) * 2022-11-17 2022-12-20 广东博创佳禾科技有限公司 Detection method and system for water environment agricultural pollutants

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Application publication date: 20210604